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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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63 lines
2.5 KiB
C
63 lines
2.5 KiB
C
#ifndef _SPARC_TLBFLUSH_H
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#define _SPARC_TLBFLUSH_H
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#include <linux/mm.h>
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// #include <asm/processor.h>
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/*
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* TLB flushing:
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*
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* - flush_tlb() flushes the current mm struct TLBs XXX Exists?
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* - flush_tlb_all() flushes all processes TLBs
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* - flush_tlb_mm(mm) flushes the specified mm context TLB's
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* - flush_tlb_page(vma, vmaddr) flushes one page
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* - flush_tlb_range(vma, start, end) flushes a range of pages
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* - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
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* - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
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*/
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#ifdef CONFIG_SMP
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BTFIXUPDEF_CALL(void, local_flush_tlb_all, void)
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BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *)
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BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long)
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BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long)
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#define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)()
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#define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm)
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#define local_flush_tlb_range(vma,start,end) BTFIXUP_CALL(local_flush_tlb_range)(vma,start,end)
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#define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr)
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extern void smp_flush_tlb_all(void);
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extern void smp_flush_tlb_mm(struct mm_struct *mm);
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extern void smp_flush_tlb_range(struct vm_area_struct *vma,
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unsigned long start,
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unsigned long end);
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extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page);
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#endif /* CONFIG_SMP */
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BTFIXUPDEF_CALL(void, flush_tlb_all, void)
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BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *)
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BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long)
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BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long)
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// Thanks to Anton Blanchard, our pagetables became uncached in 2.4. Wee!
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// extern void flush_tlb_pgtables(struct mm_struct *mm,
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// unsigned long start, unsigned long end);
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#define flush_tlb_pgtables(mm, start, end) do{ }while(0)
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#define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)()
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#define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm)
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#define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end)
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#define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr)
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// #define flush_tlb() flush_tlb_mm(current->active_mm) /* XXX Sure? */
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/*
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* This is a kludge, until I know better. --zaitcev XXX
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*/
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#define flush_tlb_kernel_range(start, end) flush_tlb_all()
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#endif /* _SPARC_TLBFLUSH_H */
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